Submission #740451

#	Time	Username	Problem	Language	Result	Execution time	Memory
740451		Ahmed57	Popeala (CEOI16_popeala)	C++17	100 / 100	259 ms	10704 KiB

popeala

#pragma GCC optimize("Ofast")
#include <bits/stdc++.h>

using namespace std;
int main(){
    ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
    int n,t,s;cin>>n>>t>>s;
    vector<string>r(n+1);
    int p[t+1] = {0};
    for(int i = 1;i<=t;i++){cin>>p[i];p[i]+=p[i-1];}
    for(int i = 1;i<=n;i++)cin>>r[i];
    int a[t+1][n+1];
    memset(a,0,sizeof a);
    for(int i = 1;i<=t;i++){
        for(int j = 1;j<=n;j++){
            a[i][j] = (r[j][i-1]=='0'?i:a[i-1][j]);
        }
    }
    for(int i = 1;i<=t;i++){
        a[i][0] = i;
        sort(a[i],a[i]+n+1);
    }
    int dp[s+1][t+1];
    for(int i = 0;i<=s;i++)for(int j = 0;j<=t;j++)dp[i][j] = 1e9;
    dp[0][0] = 0;
    for(int i = 1;i<=s;i++){
        int b[n+1];
        for(int j = 0;j<=n;j++)b[j]=1e9;
        for(int j = 1;j<=t;j++){
            for(int k = 0;k<=n;k++){
                for(int l=a[j-1][k]; l<a[j][k]; ++l)
					b[k]=min(dp[i-1][l]-p[l]*k,b[k]);
				dp[i][j]=min(b[k]+p[j]*k,dp[i][j]);
            }
        }
        cout<<dp[i][t]<<"\n";
    }
}
//

• Subtask 1: 8 / 8
• Subtask 2: 9 / 9
• Subtask 3: 9 / 9
• Subtask 4: 74 / 74